Vanguard Scottsdale Funds - Vanguard Mortgage-Backed Securities ETF

Vanguard Scottsdale Funds - Vanguard Mortgage-Backed Securities ETF is an exchange traded fund launched and managed by The Vanguard Group, Inc. The fund invests in the fixed income markets of the United States. It primarily invests in U.S. agency mortgage-backed pass-through securities issued by the Government National Mortgage Association, the Federal National Mortgage Association, and the Federal Home Loan Mortgage Corporation which have a weighted average maturity of at least 1 year. The fund seeks to track the performance of the Bloomberg U.S. MBS Float Adjusted Index, by using representative sampling technique. Vanguard Scottsdale Funds - Vanguard Mortgage-Backed Securities ETF was formed on November 19, 2009 and is domiciled in the United States.